Nitrogen Compound Containing Patents (Class 502/200)
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Patent number: 7732366Abstract: A honeycomb structure comprises a porous ceramic which is composed of several cells aligned across a cell wall longitudinally. The cell has either one end sealed. The gas permeability coefficient k of the cell wall is between about 0.5 ?m2 and about 1.5 ?m2.Type: GrantFiled: February 21, 2007Date of Patent: June 8, 2010Assignee: Ibiden Co., Ltd.Inventors: Kazushige Ohno, Masafumi Kunieda, Akihiro Ohira
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Patent number: 7732543Abstract: Curable compositions contain (i) a free radical polymerizable organosilicon monomer, oligomer or polymer; (ii) an organoborane amine complex; optionally (iii) an amine reactive compound having amine reactive groups; and optionally (iv) a component capable of generating a gas when mixed with a compound bearing active hydrogen and a catalyst. The curable compositions can be used as a rubber, tape, adhesive, foam, pressure sensitive adhesive, protective coating, thin film, thermoplastic monolithic molded part, thermosetting monolithic molded part, sealant, gasket, seal, or o-ring, die attachment adhesive, lid sealant, encapsulant, potting compound, or conformal coating. The compositions can also be used in composite articles of manufacture such as integrally bonded device including electrical and electronic connectors and scuba diving masks, in which substrates are coated or bonded together with the composition and cured.Type: GrantFiled: December 13, 2005Date of Patent: June 8, 2010Assignee: Dow Corning CorporationInventors: Cheryl Lynn Loch, Dongchan Ahn, Nick Evan Shephard, James Steven Tonge, Patricia Ann Olney
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Publication number: 20100101221Abstract: Catalysts, systems, and methods disclosed herein provide for reduced NOx emissions in the exhaust stream of a lean burning engine. The catalysts include two different types of selective catalytic reduction (SCR) catalysts (i.e., two different types of catalysts that may catalytically reduce NOx using a reductant). The first SCR catalyst (116) is an SCR catalyst having a composition that produces a reductant (e.g., an HC-SCR catalyst that produces ammonia) and the second catalyst (118) is an SCR catalyst (e.g., NH3-SCR) having a composition that reduces NOx using the reductant produced by the first SCR catalyst (116).Type: ApplicationFiled: October 28, 2008Publication date: April 29, 2010Applicant: Caterpillar Inc.Inventors: Sylvain Joseph Charbonnel, Zhiyong Wei, James Joshua Driscoll, Ronald Silver, Corey Stefanick
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Patent number: 7704911Abstract: The present invention provides a catalytic composition for use in an oxidation-reduction process for effecting the catalytic oxidation of hydrogen sulfide in gas strains comprising a water soluble iron compound, a mixture of two chelating agents, comprising Na2EDTA and Na4EDTA, and at least one stabilizer.Type: GrantFiled: November 10, 2005Date of Patent: April 27, 2010Assignee: Research Institute of Petroleum Industry (RIPI)Inventor: Masih Hosseini Jenab
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Patent number: 7700518Abstract: The present invention includes Fischer-Tropsch catalysts, reactions using Fischer-Tropsch catalysts, methods of making Fischer-Tropsch catalysts, processes of hydrogenating carbon monoxide, and fuels made using these processes. The invention provides the ability to hydrogenate carbon monoxide with low contact times, good conversion rates and low methane selectivities. In a preferred method, the catalyst is made using a metal foam support.Type: GrantFiled: September 20, 2005Date of Patent: April 20, 2010Assignee: Battelle Memorial InstituteInventors: Yong Wang, David P. Vanderwiel, Anna Lee Y. Tonkovich, Yufei Gao, Eddie G. Baker
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Publication number: 20100094070Abstract: Bimetallic, supported catalysts for production of 1-hexene from ethylene are manufactured by impregnating a porous, solid support material with at least one catalytic chromium compound and at least one catalytic tantalum compound. The bimetallic, supported catalysts have high catalytic turnover, high selectivity for 1-hexene production, a low tendency for metals to leach from the catalysts during manufacturing and use compared to catalysts manufactured using known techniques. Moreover, the catalysts can be reused in multiple synthesis runs. High turnover, high selectivity, and reusability improve yields and reduce the costs associated with producing 1-hexene from ethylene, while the absence of metal leaching reduces the potential environmental impacts of using toxic metal catalysts (e.g., chromium).Type: ApplicationFiled: October 15, 2008Publication date: April 15, 2010Applicant: HEADWATERS TECHNOLOGY INNOVATION, LLCInventors: He Qiu, Bing Zhou
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Patent number: 7695850Abstract: The present invention is usable in oxygen electrodes and air electrodes for air cells, fuel cells, electrochemical sensors and like electrochemical devices. The present invention provides a very stable oxygen-reducing electrode that can achieve electrochemical reduction of oxygen at a noble potential.Type: GrantFiled: June 13, 2007Date of Patent: April 13, 2010Assignee: Panasonic CorporationInventors: Tadashi Sotomura, Mitsuru Hashimoto, Yuka Yamada
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Publication number: 20100086457Abstract: Disclosed herein is a catalyst composition comprising a bimetallic complex of silver and a second metal; the bimetallic complex being disposed upon a porous substrate; where the second metal is platinum, palladium, iron, cobalt, nickel, copper, cadmium or mercury and where atoms of silver and the second metal are bound by one or more bridging ligands.Type: ApplicationFiled: October 8, 2008Publication date: April 8, 2010Applicant: GENERAL ELECTRIC COMPANYInventors: Grigorii Lev Soloveichik, Oltea Puica Siclovan
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Publication number: 20100069229Abstract: A method for the synthesis of nano-products, such as atomic titanium oxide wires. The method allows wires of anatase titanium oxide wires to be formed in a range of tunable diameters and aspect ratios in the nanometer and subnanometer size scales. The method also allows the titanium wires to be capped by oleic acid to enhance dispersing and solubility. The method allows the titanium wires to be surface doped with nitrogen species to enhance stability and functionality such as enhanced absorption in the visible wavelength region, which is useful for photodegradation of organic wastes in water by sunlight.Type: ApplicationFiled: August 28, 2009Publication date: March 18, 2010Applicant: THE HONG KONG UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Shihe YANG, Chenmin LIU
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Patent number: 7678731Abstract: An improved hydroprocessing catalyst having improved morphology/dispersion characteristics is provided. The hydroprocessing catalyst has the formula (Mt)a(Lu)b(Sv)d(Cw)e(Hx)f(Oy)g(Nz)h, wherein M is at least one group VIB metal; L is optional and if present, L is at least one Group VIII non-noble metal; t, u, v, w, x, y, z representing the total charge for each of the components (M, X, S, C, H, O and N, respectively); ta+ub+vd+we+xf+yg+zh=0; 0=<b and 0=<b/a=<5, (a+0.5b)<=d<=(5a+2b), 0<=e<=11(a+b), 0<=f<=7(a+b), 0<=g<=5(a+b), 0<=h<=0.5(a+b). The catalyst is prepared by a process in which at least a sulfur additive is added to the sulfidation process in forming the catalyst precursor.Type: GrantFiled: October 29, 2008Date of Patent: March 16, 2010Assignee: Chevron USA Inc.Inventors: Oleg Mironov, Alexander E. Kuperman
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Patent number: 7677254Abstract: Smoking article components, cigarettes, methods for making cigarettes and methods for smoking cigarettes are provided that use nitrided transition metal oxide nanoscale particles and/or nitrided transition metal oxide clusters capable of catalyzing and/or oxidizing carbon monoxide to carbon dioxide and/or adsorbing carbon monoxide and catalyzing and/or reducing nitric oxide to nitrogen and/or adsorbing nitric oxide. Cut filler compositions, cigarette paper and cigarette filter material can comprise nitrided transition metal oxide nanoscale particles and/or nitrided transition metal oxide clusters.Type: GrantFiled: October 25, 2004Date of Patent: March 16, 2010Assignee: Philip Morris USA Inc.Inventors: Budda V. Reddy, Firooz Rasouli
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Patent number: 7678730Abstract: A hydroprocessing bulk catalyst is provided. A process to prepare hydroprocessing bulk catalysts is also provided. The hydroprocessing catalyst has the formula (Mt)a(Lu)b(Sv)d(Cw)e(Hx)f(Oy)g(Nz)h, wherein M is at least one group VIB metal; L is optional and if present, L is at least one Group VIII non-noble metal; t, u, v, w, x, y, z representing the total charge for each of the components (M, L, S, C, H, O and N, respectively); ta+ub+vd+we+xf+yg+zh=0; 0=<b; and 0=<b/a=<5, (a+0.5b)<=d<=(5a+2b), 0<=e<=11(a+b), 0<=f<=7(a+b), 0<=g<=5(a+b), 0<=h<=0.5(a+b). The catalyst has an X-ray powder diffraction pattern with at least one broad diffraction peak at any of Bragg angles: 8 to 18°, 32 to 40°, and 55 to 65° (from 0 to 70° 2-? scale).Type: GrantFiled: October 29, 2008Date of Patent: March 16, 2010Assignee: Chevron USA Inc.Inventors: Oleg Mironov, Alexander E. Kuperman
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Publication number: 20100063333Abstract: Catalytic hydrochlorination system comprising at least one amine hydrochloride and at least one group VIII metal compound chosen from the group composed of mixtures of a platinum (IV) compound with tin (II) chloride, mixtures of a platinum (II) compound with triphenylphosphine oxide and mixtures of a palladium (II) compound with triphenylphosphine. This catalytic system is suitable for preparing vinyl chloride by reaction of acetylene with hydrogen chloride.Type: ApplicationFiled: December 20, 2007Publication date: March 11, 2010Applicant: SOLVAY (SOCIETE ANONYME)Inventors: Andre Petitjean, Michel Strebelle, Andre Devos
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Publication number: 20100055516Abstract: A method of providing a porous surface on a nickel substrate comprising treating the substrate with a flowing stream of gas comprising ammonia or hydrazine at a temperature of at least 4000 C, the resultant porous surface comprising pores which are substantially all interconnected and have access to the surface.Type: ApplicationFiled: October 25, 2007Publication date: March 4, 2010Inventors: Geoffrey Mason, Bryan Buffham, Klaus Hellgardt, Paul Russell, David Richardson
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Publication number: 20100047142Abstract: Filter media containing an impregnant obtained by pre-reacting an amine functional material with a transition metal to form an amine-metal coordination complex. The complexed amine is much more compatible with amine sensitive co-impregnants or amine sensitive substrates. Additionally, even though the amine is complexed, the impregnant retains high activity for the removal of cyano-containing vapors and other contaminants for which amines have a filtering efficacy. Advantageously, therefore, the filter media may be used to remove cyano-containing vapors or other amine-targeted contaminants from air and other harmful gases in the presence of metal-based catalysts (such as those catalysts comprising platinum, gold or other active transition metals) without the undesirable effect of unduly inhibiting or poisoning the metal-based catalysts.Type: ApplicationFiled: October 30, 2007Publication date: February 25, 2010Inventors: Thomas E. Wood, Zhongshu Tan, Larry A. Brey, Duane D. Fansler, John S. Huberty
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Publication number: 20100041548Abstract: The present invention refers to a continuous process for the manufacture of methyl mercaptan using Mo—O—K-based catalysts. It is further described that the total selectivity of methylmercaptan can be increased by at least 1% by lowering the total gas hourly space velocity. The invention further refers to a process for the preparation of a solid, preformed catalyst system.Type: ApplicationFiled: July 24, 2009Publication date: February 18, 2010Inventors: Yiquan YANG, Qi Wang, Renchun Lin, Hongbin Zhang, Youzhu Yuan, Weiping Fang, Quanxing Zheng, Shenjun Dai, Xingguo Yan, Aiping Chen, Jan-Olaf Barth, Christoph Weckbecker, Klaus Huthmacher, Hubert Redlingshöfer, Sabine Ackermann
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Publication number: 20100041547Abstract: A method for producing a catalyst of the present invention is characterized by sequentially performing the steps of: (i) dipping an end face portion of a carrier structure having a catalytic component carried thereon in an aqueous metal salt solution at a concentration of 2.7 to 3.88 mol/L in terms of mole of the metal; (ii) drying the dipped end face portion; (iii) dipping the dried end face portion again in an aqueous metal salt solution whose metal species is the same as that in the aqueous metal salt solution at a concentration of 2.7 to 3.88 mol/L in terms of mole of the metal; and (iv) performing a calcination treatment to harden the catalytic end face.Type: ApplicationFiled: September 18, 2007Publication date: February 18, 2010Applicant: Hitachi Zosen CorporationInventors: Susumu Hikazudani, Kazuhiro Yano, Takehiro Shimizu, Hidetake Okamoto, Masaki Akiyama
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Publication number: 20100041546Abstract: An oxidation catalyst is prepared by pyrolyzing a source of iron and a source of nitrogen on a carbon support. Preferably, a noble metal is deposited over the modified support which comprises iron and nitrogen bound to the carbon support. The catalyst is effective for oxidation reactions such as the oxidative cleavage of tertiary amines to produce secondary amines, especially the oxidation of N-(phosphonomethyl)iminodiacetic acid to N-(phosphonomethyl)-glycine.Type: ApplicationFiled: October 23, 2009Publication date: February 18, 2010Applicant: MONSANTO TECHNOLOGY LLCInventors: James P. Coleman, Martin P. McGrath
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Publication number: 20100029961Abstract: The invention relates to a process for preparing DMC catalysts by reaction of cyanometalate compounds with metal salts, wherein the reaction is carried out in ionic liquids as solvents or suspension media.Type: ApplicationFiled: January 31, 2008Publication date: February 4, 2010Applicant: BASF SEInventors: Michael Triller, Matthias Schopohl, Veit Stegmann, Thomas Ostrowski
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Publication number: 20100022383Abstract: The present invention relates to photocatalytically active coatings for surfaces of buildings, vehicles, equipment, paths and the like which comprise interference pigments as photocatalytically active material and optionally an infrared light-absorbent material, to processes for the production of such surfaces, and to objects coated therewith.Type: ApplicationFiled: August 24, 2007Publication date: January 28, 2010Inventors: Matthias Kuntz, André Salie
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Publication number: 20100022384Abstract: Disclosed are partially deactivated metal catalysts useful for modifying structures of nanomaterials. The present invention is also directed to a method for preparing the partially deactivated metal catalysts, which comprises patterning a substrate with micelles containing iron nanoparticles, removing the micelles from the patterned substrate to deposit the iron nanoparticles thereon, nitriding the iron nanoparticles using a nitrogen plasma, and exposing the nitrided iron nanoparticles to a mixture of ethanol and nitric acid to remove iron from the surface of the nitrided nanoparticles. The iron nitride metal catalyst with a nano-size according to the present invention comprises a core that includes deactivated iron nitride and an active shell surrounding the core. Thus, when preparing a carbon nanotube, the metal catalyst can be effectively used to control the number of walls formed in the carbon nanotube.Type: ApplicationFiled: November 26, 2008Publication date: January 28, 2010Applicant: Korea Advanced Institute of Science and TechnologyInventors: Jeung Ku Kang, Kyung Min Choi, Jung Hoon Choi, Saji Augustine, Weon HO Shin, Seong Ho Yang
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Publication number: 20100016148Abstract: An apparatus for preparing a catalyst for carbon nanotubes using spray pyrolysis and a method for preparing the catalyst are disclosed. The apparatus comprises a plurality of raw material tanks, an agitator to mix raw materials respectively supplied from the raw material tanks, a drier to spray the mixture supplied from the agitator and thus to heat and bake the same, and a storage to store a dried material discharged from the drier. The method comprises supplying a plurality of raw materials, mixing the raw materials with one another, spraying the raw material mixture in a liquid state and drying the same at a high temperature, and storing a catalyst generated in the drying process.Type: ApplicationFiled: August 17, 2009Publication date: January 21, 2010Inventors: Joung Hyeon LIM, Young Chul JOUNG, Jin Seok OH, Hyun Jin CHO, Hee Jung CHOI
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Publication number: 20090317308Abstract: Catalysts are formulated to resemble a direct ammonia/air fuel cell at short circuit at the nanoscale level to convert ammonia in aqueous solution directly and spontaneously to nitrogen at near or above ambient temperature. The catalyst particle contains a type-A catalyst subparticles for ammonia oxidation to nitrogen, and a type-C catalyst subparticles for oxygen reduction, with the type-A and type-C catalyst subparticles electrically shorted. Advantages realized at the nanoscale level are enhanced conductances for electrons and hydroxyl anions between the neighboring type-A and type-C catalyst subparticles. With the catalysts packed and confined in a catalyst bed in a chemical reactor, the direct conversion of ammonia in an aqueous phase to nitrogen can be carried out continuously for ammonia removal from a water stream in a compact package, and without the high cost arising from constructing and maintaining a bulk electrochemical device, and without the step of exacting the ammonia into gas phase.Type: ApplicationFiled: June 18, 2009Publication date: December 24, 2009Inventor: Xiaoming Ren
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Publication number: 20090311171Abstract: As a promising clean fuel for vehicles, hydrogen can be used for propulsion, either directly or in fuel cells. Hydrogen storage compositions having high storage capacity, good dehydrogenation kinetics, and hydrogen release and uptake reactions which are reversible are disclosed and described. Generally a hydrogen storage composition of a metal aluminum hexahydride and a metal amide can be used. A combined system (Li3AlH6/3LiNH2) with a very high inherent hydrogen capacity (7.3 wt %) can be carried out at moderate temperatures, and with approximately 95% of that inherent hydrogen storage capacity (7.0%) is reversible over repeated cycling of release and uptake.Type: ApplicationFiled: March 13, 2007Publication date: December 17, 2009Applicant: University of Utah Research FoundationInventors: Jun Lu, Zhigang Zak Fang, Hong Yong Sohn
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Patent number: 7612010Abstract: Use of metal complex compounds of formula (1) and/or (1?) [LnMemXp]zYq??(1), [L?nMemXp]zYq??(1?), wherein all substituents are as defined in the claims, as catalysts for oxidation reactions, and also novel metal complex compounds and novel ligands.Type: GrantFiled: September 18, 2007Date of Patent: November 3, 2009Assignee: Ciba Specialty Chemicals Corp.Inventors: Gunther Schlingloff, Torsten Wieprecht, Uwe Heinz, Albert Schneider, Marie-Josée Dubs, Frank Bachmann, Menno Hazenkamp, Thomas Ehlis, Cornelia Vincenzi, Josef Dannacher
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Patent number: 7608557Abstract: Provided are a photocatalyst which is high in catalytic activity, is nontoxic, has a long life, allows visible light to be used directly for its photocatalytic reaction and is especially useful for hydrogen generation, and a process for producing it. It contains a cadmium compound, has a capsular structure, has an average particle diameter of 100 nm or less and can be manufactured by dropping a solution of a cadmium salt into a solution of a sodium compound or admixing a solution of a sodium compound in a suspension of particles of a cadmium compound.Type: GrantFiled: June 5, 2003Date of Patent: October 27, 2009Assignee: Nittetsu Mining Co., Ltd.Inventors: Kazuyuki Tohji, Akira Kishimoto, Takafumi Atarashi
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Publication number: 20090264277Abstract: A catalyst for hydrogen generation from an alkaline aqueous solution of hydrogen containing salts comprising a silicon-based ceramic surface covered with a mixture of metals known as transition metals and noble metals. The silicon-based ceramic surface may be self-supporting or may be deposited as a thin film on a carbonaceous substrate. The carbonaceous surface may be self-supporting or be in the form of a film that is supported on a substrate of a fourth material, where the fourth material has the function of providing physical support to the substrate. The said carbonaceous substrate can be made from a solid material or from a porous structure, of which carbon nanotube paper, also known as Bucky paper, is one example.Type: ApplicationFiled: April 17, 2008Publication date: October 22, 2009Inventors: RISHI RAJ, GIOVANNI CARTURAN, RAQUEL de la PENA-ALONSO
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Publication number: 20090264678Abstract: A carrier that may be used in the manufacture of an olefin epoxidation catalyst is provided that is prepared from a process involving depositing boron on the carrier and subsequently calcining the carrier. Also provided is an olefin epoxidation catalyst comprising a silver component deposited on such a calcined carrier. Also provided is a process for the epoxidation of an olefin employing such a catalyst and a process for producing a 1,2-diol, a 1,2-diol ether, or an alkanolamine employing the olefin oxide.Type: ApplicationFiled: August 25, 2008Publication date: October 22, 2009Inventors: John Robert LOCKEMEYER, Jian Lu, Nga Thi-Huyen, VI
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Patent number: 7597872Abstract: A process for treating a gas containing hydrogen sulphide (H2S) and sulphur dioxide, contacting the gas at a suitable temperature with an organic solvent containing at least a soluble catalytic system, comprising at least one compound comprising at least one functional group A consisting of a carboxylic acid function and at least one functional group B comprising at least one nitrogen atom and which can produce an acid-base type reaction with at least one functional group A under the operating conditions of said process; and recovering a gaseous effluent substantially depleted in hydrogen sulphide and sulphur dioxide along with liquid sulphur separated from the solvent by liquid-liquid decantation.Type: GrantFiled: March 8, 2006Date of Patent: October 6, 2009Assignee: Institut Francais du PetroleInventors: Pierre-Louis Carrette, Bruno Delfort, Sophie Drozdz, Ludovic Raynal
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Publication number: 20090238733Abstract: A honeycomb structure includes at least one honeycomb member including inorganic fibers and having walls extending along a longitudinal direction to define cells. A catalyst is provided on the wall in an amount of at least about 100 g and at most about 400 g per liter of volume of the honeycomb structure. The honeycomb member has a pore distribution measured using mercury porosimetry in which a pore distribution curve has a first peak in a range from about 0.005 ?m to about 0.03 ?m of a pore diameter, a second peak in a range from about 1 ?m to about 15 ?m of the pore diameter, and a third peak in a range from about 15 ?m to about 50 ?m of the pore diameter, where the curve is drawn by plotting the pore diameter (?m) on an X-axis and a log differential pore volume (mL/g) on a Y-axis.Type: ApplicationFiled: December 30, 2008Publication date: September 24, 2009Applicant: IBIDEN CO., LTD.Inventors: Kazushige OHNO, Kazutake Ogyu, Yusuke Kondo
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Publication number: 20090234158Abstract: It is an object to provide a simple method for producing catalysts available in various reaction conditions, that allow gas-phase catalytic oxidation of methacrolein and the like to give methacrylic acid with high yield, high selectivity and stable methacrylic yield over extended time. A method for manufacturing a catalyst of which active components are partly neutralized salt of heteropoly acid comprising molybdenum, phosphorus, vanadium, cesium, antimony, and ammonia as essential components, wherein the method is characterized in mixing an antimony compound with a complex oxide of the essential active components in the catalyst containing active components other than antimony. The antimony compound may be added during slurry preparation.Type: ApplicationFiled: March 28, 2006Publication date: September 17, 2009Inventors: Atsushi Sudo, Tatsuhiko Kurakami, Toshitake Kojima, Shigeo Hayashimoto
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Publication number: 20090209796Abstract: The present invention provides a heteropolyacid salt catalyst for use in an alkylation reaction of an aromatic compound or a transalkylation, disproportionation or isomerization reaction of an alkyl aromatic compound, which comprises a heteropolyacid salt catalyst represented by the following formula (1): H4-mZmSiXl2O40??(1) wherein X represents W or Mo, Z represents (NH4) or an alkali metal atom, and m represents a numerical value of 0?m?4, and comprising a heteropolyacid salt crystal having an average particle diameter in the short axis of the crystal of less than 300 nm as a main component, wherein said heteropolyacid salt catalyst has an acid amount on the external surface of not less than 190 ?mol per weight of a heteropolyacid salt.Type: ApplicationFiled: May 28, 2007Publication date: August 20, 2009Applicant: SUMITOMO CHEMICAL COMPANY, LIMITEDInventor: Takuo Hibi
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Publication number: 20090200206Abstract: Sulfur-containing compounds, including specifically thiophenic compounds, in a liquid hydrocarbon feedstream are catalytically oxidized by combining the hydrocarbon feedstream with a catalytic reaction mixture that includes a peroxide that is soluble in water or in a polar organic acid, at least one carboxylic acid, and a catalyst that is a transition metal salt selected from the group consisting of (NH4)2WO4, (NH4)6W12O40.H2O, Na2WO4, Li2WO4, K2WO4, MgWO4, (NH4)2MoO4, (NH4)6Mo7O24.4H2O, MnO0 and NaVO3; the mixture is vigorously agitated for a time that is sufficient to oxidize the sulfur-containing compounds to form sulfoxides and sulfones; the reaction mixture is allowed to stand and separate into a lower aqueous layer containing the catalyst and an upper hydrocarbon layer that is recovered and from which the oxidized sulfur compounds are removed, as by solvent extraction, distillation or selective adsorption.Type: ApplicationFiled: March 5, 2007Publication date: August 13, 2009Inventors: Farhan M. Al-Shahrani, Tiancun Xiao, Gary D. Martinie, Malcolm L.H. Green
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Publication number: 20090203944Abstract: A catalyst for the oxidation of an alkane to an oxygenated hydrocarbon in the presence of oxygen as a first oxidant, comprising a redox active metal centre that can be present in an oxidised and in a reduced form, an acid, a second oxidant for oxidising the reduced form of the redox active metal centre, and a source of nitrous oxide.Type: ApplicationFiled: June 28, 2007Publication date: August 13, 2009Inventors: Zengjian An, Xinhe Bao, Xiuwen Han, Xiumei Liu, Xiulian Pan
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Publication number: 20090180941Abstract: The present disclosure relates to a fluid purification device that has a deactivation resistant photocatalyst having nanocrystallites of less than 14 nanometers (nm) in diameter with at least 200 m2 surface area/cm3 of skeletal volume in cylindrical pores of 5 nm in diameter or larger, with the mode of the pore size distribution 10 nm or more.Type: ApplicationFiled: May 31, 2007Publication date: July 16, 2009Applicant: CARRIER CORPORATIONInventors: Thomas Henry Vanderspurt, Treese Hugener-Campbell, Norberto O. Lemcoff, Stephen O. Hay, Wayde R. Schmidt, Joseph J. Sangiovanni, Zissis A. Dardas, Di Wei
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Publication number: 20090181846Abstract: An apparatus for preparing a catalyst for carbon nanotubes using spray pyrolysis and a method for preparing the catalyst are disclosed. The apparatus comprises a plurality of raw material tanks, an agitator to mix raw materials respectively supplied from the raw material tanks, a drier to spray the mixture supplied from the agitator and thus to heat and bake the same, and a storage to store a dried material discharged from the drier. The method comprises supplying a plurality of raw materials, mixing the raw materials with one another, spraying the raw material mixture in a liquid state and drying the same at a high temperature, and storing a catalyst generated in the drying process.Type: ApplicationFiled: December 24, 2008Publication date: July 16, 2009Inventors: Joung Hyeon Lim, Young Chul Joung, Jin Seok Oh, Hyun Jin Cho, Hee Jung Choi
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Publication number: 20090177016Abstract: A catalyst which comprises a carrier and silver deposited on the carrier, which carrier has a surface area of at least 1 m2/g, and a pore size distribution such that pores with diameters in the range of from 0.2 to 10 ?m represent at least 70% of the total pore volume and such pores together provide a pore volume of at least 0.Type: ApplicationFiled: March 10, 2009Publication date: July 9, 2009Applicant: Sell Oil CompanyInventors: John Robert LOCKEMEYER, Randall Clayton Yeates, Thomas Szymanski, Donald James Remus, William Herman Gerdes
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Patent number: 7544631Abstract: The present invention provides for titanium oxide-based photocatalysts having a general formula of TiO2-X-?CXN? and self-cleaning materials that are prepared by substituting O of pure TiO2 with C and N. A preparation method comprising a process for forming thin films of TiO2-X-?CXN? by using gases such as Ar, N2, CO2, CO and O are used for reactive sputtering, and a process of heat treating at around 500° C., thereby crystallizing, is provided. The titanium oxide-based photocatalysts having a general formula of TiO2-X-?CXN? and self-cleaning materials according to the present invention have a smaller optical bandgap compared to pure titanium oxides, and therefore, the photocatalysts can be activated under the visible light range. In addition, they comprise only pure anatase crystallization phase, and since the crystallized particles are small in size, the efficiency and self-cleaning effect of the photocatalysts are very high.Type: GrantFiled: April 26, 2006Date of Patent: June 9, 2009Assignee: Korea Institute of Science and TechnologyInventors: Won-Kook Choi, Yeon-Sik Jung, Dong-Heon Kang, Kyung-Ju Lee
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Patent number: 7544632Abstract: Novel bulk tri-metallic catalysts for use in the hydroprocessing of hydrocarbon feeds, as well as a method for preparing such catalysts. The catalysts are prepared from a catalyst precursor containing an organic agent.Type: GrantFiled: September 14, 2005Date of Patent: June 9, 2009Assignee: Exxonmobil Research and Engineering CompanyInventors: Stuart L. Soled, Sabato Miseo, Zhiguo Hou
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Publication number: 20090142242Abstract: Disclosed is a vanadium/titania-based catalyst including natural manganese ore for removing nitrogen oxides and dioxin in a wide operating temperature range and a method of using the same. Specifically, this invention pertains to a vanadium/titania (V/TiO2)-based catalyst including natural manganese ore for removing nitrogen oxides and dioxin in a wide operating temperature range, in which the WTiO2 catalyst for selective catalytic reduction of nitrogen oxides and removal of dioxin contained in flue gas includes 5-30 wt % of natural manganese ore, thus exhibiting excellent activity of removing nitrogen oxides even in the low temperature range and of removing dioxin at the same time, and to a method of using the same. The catalyst of this invention has good thermal stability and thus can simultaneously manifest nitrogen oxides removal performance and dioxin removal performance superior to conventional vanadium/titania catalysts in a wide temperature range (150˜450° C.Type: ApplicationFiled: August 31, 2006Publication date: June 4, 2009Inventors: Sung Ho Hong, Jun Yub Lee, Seok Joo Hong, Sung Pill Cho, Sung Chang Hong, Do Gyong Lee, Sang Hyun Choi
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Publication number: 20090131695Abstract: A catalyst which comprises a carrier and silver deposited on the carrier, which carrier has a surface area of at least 1.3 m2/g, a median pore diameter of more than 0.8 ?m, and a pore size distribution wherein at least 80% of the total pore volume is contained in pores with diameters in the range of from 0.1 to 10 ?m and at least 80% of the pore volume contained in the pores with diameters in the range of from 0.1 to 10 ?m is contained in pores with diameters in the range of from 0.Type: ApplicationFiled: June 6, 2006Publication date: May 21, 2009Inventors: William Herman Gerdes, John Robert Lockemeyer, Donald James Remus, Thomas Szymanski, Randall Clayton Yeates
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Publication number: 20090131694Abstract: Silicon-titanium mixed oxide powder, dispersion thereof and titanium-containing zeolite prepared therefrom Pyrogenic silicon-titanium mixed oxide powder, having a BET surface area of 200 to 400 m2/g, a silicon dioxide content of 97.0±1.5% by weight, a titanium dioxide content of 3.5±1.0% by weight, the sum of silicon dioxide content and titanium dioxide content being greater than 99.7% by weight. Dispersion comprising this powder. Process for the preparation of a titanium-containing zeolite starting from powder or dispersion.Type: ApplicationFiled: March 12, 2007Publication date: May 21, 2009Applicant: EVONIK DEGUSSA GmbHInventors: Kai Schumacher, Martin Moerters, Helmut Mangold, Steffen Hasenzahl
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Publication number: 20090131248Abstract: The invention provides a nanoporous non-oxide material which comprises a modified derivative of silicon nitride and comprises a plurality of nanoscale pores. The nanoporous non-oxide material is preferably prepared by means of a sol-gel procedure and preferably comprises a metal-containing derivative of silicon nitride [SiN4], silicon oxynitride [Si2N2O] or silicon imidonitride [Si3N4-2x(NH)3x] which contains a Group III metal or a transition metal. The nanoporous non-oxide material also additionally comprises surface modifications. The invention also provides for the use of the nanoporous non-oxide material in the manufacture of selective gas filters for solid state gas sensors and catalysts for chemical reactions.Type: ApplicationFiled: October 21, 2005Publication date: May 21, 2009Inventors: John Stewart Bradley, Fei Cheng, Stephen Malcolm Kelly
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Patent number: 7534757Abstract: The present invention provides a bleaching composition comprising a [3.3.1] bicycle compound of formula (I) carrying at least one C8-C22-alkyl chain, together with a peroxygen source.Type: GrantFiled: October 15, 2004Date of Patent: May 19, 2009Assignee: Conopco Inc.Inventors: Ronald Hage, Joachim Lienke, Patricia Veerman-Petersen
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Patent number: 7534739Abstract: A platinum-free chelate catalyst material consisting of at least one unsupported transition metal, a nitrogen-containing organo-metallic transition complex, a further transition metal other than the unsupported transition metal and a chalcogenic compound.Type: GrantFiled: July 3, 2002Date of Patent: May 19, 2009Assignee: Helmholtz-Zentrum Berlin Fuer Materialien und EnergieInventors: Marcus Hilgendorff, Iris Dorbandt, Hendrik Schulenburg, Michael Bron, Sebastian Fiechter, Peter Bogdanoff, Helmut Tributsch
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Publication number: 20090123769Abstract: A titanium oxide photocatalyst responsive to visible light which can exhibit a high photocatalytic activity in response to visible light is produced by subjecting titanium oxide and/or titanium hydroxide obtained by neutralizing an acidic titanium compound with a nitrogen-containing base to heat treatment in an atmosphere containing a hydrolyzable metal compound (e.g., a titanium halide) and then to additional heat treatment in a gas having a moisture content of 0.5-4.0 volume % at a temperature of 350° C. or above. The photocatalyst which is a nitrogen-containing titanium oxide has no substantial peak at a temperature of 600° C. or above in a mass fragment spectrum obtained by thermal desorption spectroscopy in which the ratio m/e of the mass number m to the electric charged e of ions is 28, and the peak having the smallest half band width is in the range of 400-600° C. in the spectrum. The nitrogen content calculated from the peak appearing at 400 eV±1.Type: ApplicationFiled: March 22, 2007Publication date: May 14, 2009Applicant: SUMITOMO TITANIUM CORPORATIONInventors: Yasuhiro Masaki, Katsuhiro Nishihara, Tadashi Fukuda, Katsumi Okada, Masahito Tasaka, Shinji Shimosaki, Hideaki Kanno, Sadanobu Nagaoka, Kazuomi Azuma, Tadashi Ogasawara
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Publication number: 20090107883Abstract: A catalyst precursor composition and methods for making such catalyst precursor is disclosed. In one embodiment, the catalyst precursor is of the general formula Av[(MP)(OH)x(L)ny]z(MVIBO4), wherein MP is selected from Group VIII, Group IIB, Group IIA, Group IVA and combinations thereof; L is one or more oxygen-containing ligands, and L has a neutral or negative charge n<=0, MVIB is at least a Group VIB metal having an oxidation state of +6; MP:MVIB has an atomic ratio between 100:1 and 1:100; v?2+P*z?x*z+n*y*z=0; and 0?y??P/n; 0?x?P; 0?v?2; 0?z. In one embodiment, the catalyst precursor further comprises a cellulose-containing material. In another embodiment, the catalyst precursor further comprises at least a diluent (binder). In one embodiment, the diluent is a magnesium aluminosilicate clay.Type: ApplicationFiled: October 28, 2008Publication date: April 30, 2009Inventors: Theodorus Maesen, Alexander E. Kuperman
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Publication number: 20090111687Abstract: The invention relates to a catalyst with large surface area structure, in particular for steam-reforming catalysts, which is characterised in that the large surface area structure is formed of a large number of round or parallel penetrating holes of polygonal cross-section, wherein the catalyst carrier is prepared in the injection moulding process, coated with a washcoat and then impregnated with the active component. The catalyst carrier includes at least one sinterable material and has a lateral pressure resistance of at least 700 N. The invention further relates to a process for the preparation of such catalysts and the use thereof in a reactor.Type: ApplicationFiled: September 25, 2008Publication date: April 30, 2009Applicant: Sud-Chemie AGInventors: Wolfgang GABRIEL, Ingo HANKE
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Publication number: 20090111685Abstract: A catalyst precursor composition and methods for making such catalyst precursor is disclosed. The catalyst precursor comprises at least one of a Group IIB metal compound, a Group IVA metal compound, a Group IIA metal compound, and combinations thereof, at least one Group VIB metal, at least one organic, oxygen-containing ligand, and optionally a cellulose-containing material. Catalysts prepared from the sulfidation of such catalyst precursors are used in the hydroprocessing of hydrocarbon feeds.Type: ApplicationFiled: October 28, 2008Publication date: April 30, 2009Inventors: Theodorus Maesen, Alexander E. Kuperman
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Patent number: 7524804Abstract: A bleach composition containing (a) a peroxide generating hydrogen peroxide by being dissolved in water, (b) a water-insoluble or poorly water-soluble textile powder selected from powder cellulose, silk powder, wool powder, nylon powder, and polyurethane powder, and (c) (c-1) a bleaching activating catalyst and/or (c-2) a bleaching activator. A bleaching detergent composition containing (a) a peroxide generating hydrogen peroxide by being dissolved in water, (b) a water-insoluble or poorly water-soluble textile powder selected from powder cellulose, silk powder, wool powder, nylon powder, and polyurethane powder, and (c) (c-1) a bleaching activating catalyst or (c-1) a bleaching activating catalyst and (c-2) a bleaching activator, and (d) a surfactant.Type: GrantFiled: May 7, 2003Date of Patent: April 28, 2009Assignee: Ciba Specialty Chemicals Corp.Inventors: Hideyuki Kaneda, Yoshitaka Miyamae, Satoru Nagata